100 Doors Escape from School Level 77

Quick clue

Use the clue below to get moving without exposing the entire solution.

Important notes

• This guide is mapped to Level 77, “Match Heart‑Rhythm Patterns Using Paper Clues,” in the current 140-door ordering.
• Follow the item order shown above; many objects do not respond until an earlier action is complete.
• If your room looks different, match the screenshot and visible puzzle before relying on the level number.
• Wait for the door animation, then tap the opening to finish the level.

Useful solving habits

• 1Check desks, shelves, wall art, and the floor for small interactive objects.
• 2Open collected items when two inventory pieces need to be combined.
• 3Write down codes and color orders before opening a keypad or dial.
• 4Restart the room if an action was performed out of sequence and the puzzle stops responding.

Items and completion

The walkthrough identifies every required object and puzzle action for this door. Optional hint coins do not change the solution.